Granted Patent
Utility
US 6,660,569 · App. 09/830,326
Method for producing a power semiconductor device with a stop zone
Inventors:
Reiner Barthelmess, Hans-Joachim Schulze
Patented Case
View Patent ↗
Granted: Dec 9, 2003
Filed: Jul 2, 2001
Inventors
Reiner Barthelmess
Hans-Joachim Schulze
Assignee (at issue)
EUPEC Europaeische Gesellschaft fur Leistungshalbleiter mbH
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.